Geodesic

Sommaire du Fascicule no. 1

Free profinite semigroups over semidirect products
p. 3-31
Extensions by means of local groups
p. 32-37
A proof and generalization of the Higgins theorem on divisors of semigroups of isotonic transformations
p. 38-44
Unary operations on pseudovarieties of semigroups
p. 45-52
Pseudovarieties of associative rings: linearity congruence and decidability
p. 53-57
Embeddings of pseudofree semigroups
p. 58-64
Maximal pseudovarieties of finite monoids and semigroups
p. 65-70
Permutative pseudo-varieties of associative algebras over a finite field
p. 71-79
Eilenberg's theorem for positive varieties of languages
p. 80-90
Characterization of varieties of semigroups of finite index in the language of ``prohibited divisors''
p. 91-99

Sommaire du Fascicule no. 2

Classification and application of automorphic domains
p. 3-12
Приближения в среднем некоторых классов непрерывных периодических функций
p. 13-21
Averaging in Volterra integral inclusions
p. 22-26
On a direct method for computing conformal mappings of polygons
p. 27-36
Optimization of direct methods for solving singular integral equations in unbounded domains
p. 37-46
Solution by grid methods of the problem of the filtration of a fluid in a dam with a nonlinear filtration law
p. 47-52
On the isomorphism of the group of homomorphisms of two torsion-free abelian groups for one of these groups
p. 53-59
Asymptotic attainability with perturbation of integral constraints in an abstract control problem.~I
p. 60-71
Предельные теоремы для взвешенных и нормированных сумм случайных элементов в банаховых пространствах.~I
p. 72-78
On a refinement of Jackson-type inequalities in the approximation of differentiable periodic functions by linear operators
p. 79-82
On an estimate for the norm of an operator function
p. 83-87

Sommaire du Fascicule no. 3

On an abstract Euler-Poisson-Darboux equation with a singularity in the lowest term
p. 3-7
On relations between complete sets
p. 8-14
Refined theory of the stability of three-layer structures (linearized equations of neutral equilibrium and elementary one-dimensional problems)
p. 15-24
On the conditional stability of autonomous stochastic sequential machines
p. 25-34
The Paley-Wiener theorem for cones in locally compact abelian groups
p. 35-44
Quasiregularity conditions for a singular system of second-order differential equations with oscillating coefficients
p. 45-50
Relations between e-degrees and T-degrees
p. 51-61
Asymptotic attainability with perturbation of integral constraints in an abstract control problem.~II
p. 62-73
Limit theorems for weighted and normalized sums of random elements in Banach spaces.~II
p. 74-81
On the stability of the zero solution of a mathematical model of a viscoelastic fluid
p. 82-84

Sommaire du Fascicule no. 4

Экономичные итерационные методы решения многомерных эллиптических уравнений
p. 3-11
Solution of the dam problem by the method of the optimal control of a region
p. 12-21
Difference schemes on grids that are locally refining in time
p. 22-28
The finite element method scheme based on the multiplicative identification of singularities for boundary value problems in domains with corners
p. 29-39
On a new additive difference scheme for parabolic equations
p. 40-48
On the error of some projection-grid methods for a fourth-order ordinary differential equation with nonsmooth data
p. 49-61
Choice of high order coordinate functions and preconditioning in frames of the method of domain decomposition
p. 62-81
Thermodynamics of irreversible processes and theoretical bases for the construction of constitutive relations for continua
p. 82-95
On a class of two-layer nonlinear operator-difference schemes with weights
p. 96-103

Sommaire du Fascicule no. 5

Zbl 0855.53002
p. 3-10
Local affine invariants of second order
p. 11-15
Lifts of differential-geometric objects in semitangent bundles of higher orders
p. 16-24
A Cartan connection associated with a differential system of third-order partial differential equations
p. 25-28
Realization of spinors in Minkowski space
p. 29-38
Pulverization modeling.~III
p. 39-50
Intrinsic geometries of polarized complex Grassmannians
p. 51-54
On the geometry of pseudopotentials of evolution equations
p. 55-67
A space of associated metrics on a two-dimensional torus
p. 68-77
On an odule in the Hilbert geometry
p. 78-82
Projective bundles and projective connections
p. 83-90
Projective properties of spaces with affine connection that admit absolute parallelism of vectors
p. 91-100

Sommaire du Fascicule no. 6

Extremal problems for areas under conformal mapping and their application
p. 3-15
Estimates for the rate of convergence of the gradient projection method
p. 16-24
On the influence of maximal subgroups of prime power index on the structure of a finite group
p. 25-29
On the solvability of geometrically nonlinear problems in the theory of thin shells
p. 30-36
On a description of the radicals of semigroup rings of commutative semigroups
p. 37-41
Solution of the problem of saturated-unsaturated filtration of a fluid in soil with caking of the saturation front
p. 42-50
Metric spaces with complementary structure and selections of mappings
p. 51-64
On an extremal property of the symmetric Bernoulli distribution
p. 65-67
Universal laws on simply connected nilpotent Lie groups of class $2$
p. 68-73
Defining relations of the classical unitary group over the ring of dual numbers.
p. 74-81
First-order theory of integral semigroup rings
p. 82-89

Sommaire du Fascicule no. 7

On some geometric objects in a seven-dimensional space with fundamental group $G_2$
p. 3-11
Infinitesimal projective transformations in a jet bundle of Finsler manifolds
p. 12-21
On motions in general path spaces with affine connection
p. 22-27
Naturally reductive reducible $R\Sigma$-spaces
p. 28-37
Decomposition of foliations and ruled submanifolds with nonnegative mixed curvature
p. 38-50
On some geometric structures in a jet bundle of differentiable mappings
p. 51-64
Riemannian metrics in fiber spaces.~I
p. 65-77
Linear connections and geodesic curves on Fr\'echet manifolds
p. 78-90

Sommaire du Fascicule no. 8

Modification of L.~H\"ormander's method in the problem of generators and its applications
p. 3-12
Jackson inequalities on a sphere in $L_2$
p. 13-20
A regularity theorem for linearly invariant families of functions in a polydisk
p. 21-33
Rings of invariants of special and contact Lie algebras
p. 34-38
An inverse mapping theorem and extended differentiability in Banach spaces
p. 39-49
On a problem of Bitsadze-Samarskiĭ type for analytic functions
p. 50-56
On a family of precomplete classes of recursive functions and predicates
p. 57-62
Some approximation properties of linear superpositions
p. 63-73
A nonlinear Volterra equation with a nondecreasing kernel
p. 74-77
An elementary proof of a theorem on lattice points
p. 78-81
Some conditions for the $p$-univalence of analytic functions
p. 82-84

Sommaire du Fascicule no. 9

Strengthening of the circular criterion for the absolute stability of control systems
p. 3-7
Some properties of the ``universal solution''
p. 8-14
On the stability of nonselfadjoint difference schemes with $M$-matrices for evolution boundary value problems with an elliptic operator with respect to space
p. 15-22
The linear-fractional Riemann boundary value problem and its application to the factorization of some classes of second-order Hölder matrix functions
p. 23-29
On a class of boundary value problems for singular equations
p. 30-36
On the coefficients of lacunary trigonometric series and Rademacher series that converge to sets of measure zero
p. 37-47
Linearity of a charge on a lattice of orthoprojectors
p. 48-66
On functional Volterra equations
p. 67-77
On absolutely representing systems in Hilbert spaces
p. 78-82
Embedding theorems with respect to $(C,\alpha)$-approximations
p. 83-84

Sommaire du Fascicule no. 10

On the stability of functional-differential equations with respect to the first approximation
p. 3-9
An impulse linear-quadratic optimization problem in systems with aftereffect
p. 10-14
Coercive inequalities in parabolic difference problems
p. 15-26
On the representation of solutions of a quasidifferential equation
p. 27-34
Existence and uniqueness of the solution of the Cauchy problem for functional-differential equations with respect to a semimartingale
p. 35-39
The Lyapunov-Floquet representation for differential equations with aftereffect
p. 40-45
Constructive investigation of the solvability of boundary value problems for systems of differential equations with concentrated delay in the presence of impulse actions
p. 46-60
The problem of constructing sets of asymptotic attainability and its regularization
p. 61-75
A pathological counterexample to the non-Fredholmness conjecture in algebras of weighted shift operators
p. 76-86

Sommaire du Fascicule no. 11

Regularized spectral analysis and the solution of equations of the first kind
p. 3-16
Iterative methods of predictive type for computing fixed points of extremal mappings
p. 17-27
On new classes of linear multidimensional equations of the first kind of Volterra type
p. 28-41
Best approximation of unbounded operators by bounded operators
p. 42-68
Iterative regularization methods for ill-posed problems
p. 69-84
A stable algorithm for computing the value of a functional and its applications to ill-posed problems
p. 85-100
Inverse problems of the dynamics of control systems with distributed parameters
p. 101-124

Sommaire du Fascicule no. 12

On a continuous minimization method in spaces with a variable metric
p. 3-9
On the reducibility of a general convex programming problem to an unconditional extremum problem
p. 10-18
A finite iterative method for finding an interior point of an algebraic polyhedron, and estimation of the number of steps
p. 19-25
A variant of the parametrized method of centers
p. 26-32
Reduced direction methods based on a modified Lagrange function for a nonlinear programming problem
p. 33-42
On the control of the solvability of convex variational problems
p. 43-53
A combined relaxation method for the search for vector equilibrium
p. 54-62
A general convex programming method with given accuracy
p. 63-73
On the application of the projection method for finding approximate roots of monotone mappings
p. 74-80
On a regularization method for inconsistent convex programming problems
p. 81-88
Residual functions in the iterative process of the barrier-Newton method in the solution of the general linear programming problem
p. 89-98